Unit 7 Acceleration and Velocity review

What is the velocity of the object at t=15s?

• 0 m/s

• 8 m/s

• -8 m/s

• 4 m/s

Tags

NGSS.MS-PS3-1

The velocity of an object increases from 10m/s to 25m/s in 3 seconds. What is the acceleration?

• -5m

• 5m/s/s

• -5m/s/s

• 5m/s

Which line segment represents the time interval during which the object was not moving?

• Segment 0-A

• Segment A-B

• Segment B-C

This is a velocity vs. time graph for a moving cyclist.

Which statement is true about the cyclist?

• The cyclist is not moving.

• The acceleration of the cyclist is increasing.

• The cyclist is slowing down.

• The cyclist is moving at a constant positive velocity.

Tags

NGSS.MS-PS3-1

According to the graph, what conclusion about the car's motion is supported.

• The car is accelerating

• The car is stopping and starting.

• The car is traveling at a constant velocity

• The car is decelerating.

Tags

NGSS.MS-PS3-1

A car starting from rest accelerates uniformly at 14m/s/s how much time elapses for it to reach a speed of 70m/s?

• 7s

• 6s

• 5s

• 12s

Tags

NGSS.HS-PS2-1

Which Line shows a constant negative acceleration?

• A

• B

• C

• D

Tags

NGSS.MS-PS3-1

The speed of a train decreases from 57m/s to 15m/s in 6.0 seconds. The trains acceleration is?

• -7m/s/s

• 7m/s

• 7m/s/s

• -7m/s

Tags

NGSS.MS-PS2-2

The graph would most likely apply to which situation?

• A person gains speed sledding down a mountain.

• A person walks to the kitchen to eat, sits down the eat their meal, then walks back to their room.

• A person slows to a stop after finishing a jog.

• A person walks at a constant speed to the mail box.

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

An object moves down a hill. Which graph best represents its motion?

• 1st graph

• 2nd graph

• 3rd graph

Tags

NGSS.MS-PS3-1